<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	private $_id;
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{
		/*$users=array(
			// username => password
			'demo'=>'demo',
			'admin'=>'admin',
		);*/
		if(isset($this->username))
		{
			 $username=strtolower($this->username);
			$user=Usuarios::model()->find('LOWER(email)=?',array($username));
			
			if($user===null)
				$this->errorCode=self::ERROR_USERNAME_INVALID;
			else if(!$user->validatePassword($this->password))
				$this->errorCode=self::ERROR_PASSWORD_INVALID;
			else{
			 	$this->_id=$user->id;
			 	$this->username=$user->email;
			 	$this->errorCode=self::ERROR_NONE;
			 	Yii::app()->session['id_usuario'] = $user->id;
			 	Yii::app()->session['nombre_usuario'] = $user->nombre;
			 	Yii::app()->session['apellido_usuario'] = $user->apellido;
			}
				 return $this->errorCode==self::ERROR_NONE;
		}
		
	}

	public function getId()
 	{
		 return $this->_id;
	}
}